混凝土是今应用最广泛的土木工程材料之一。在其配合比设计时传统配合比设计方法是一种基于经验的方法,存在许多不合理之处。尽管强度、耐久性满足使用要求,但不够经济。本文叙述了混凝土在原材料选择、配合比设计时的注意要点,供混凝土设计时参考。 Concrete is one of the most widely used civil engineering materials today. In the design of the mix ratio, the traditional mix design method is an experience-based method, and there are many unreasonable points. Although strength and durability meet usage requirements, they are not economical. This article describes the main points of attention in the selection of raw materials and mix ratio for concrete, and reference for concrete design.